PUBLICAPI / API directory

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A practical starting point for public APIs. Compare access, pricing and limitations — with direct links to the original sources.

Categories (61)

games-and-comics

Crafatar

API for Minecraft skins and faces

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

documents-and-productivity

CraftMyPDF

Generate PDF documents from templates with a drop-and-drop editor and a simple API

Access: Personal API keyType: API

HTTPS: Yes · CORS: No

github-public-apis

developer-tools

Cralo (ai.cralo/mcp MCP Server)

MCP server (ai.cralo/mcp v0.4.4): Pay-per-use tool marketplace for AI agents. Search, price-check, and call APIs via MCP.

Type: API

profiles

developer-tools

Crane Ledger (ai.craneledger/crane-ledger MCP Server)

MCP server (ai.craneledger/crane-ledger v0.1.0): Headless API-first double-entry accounting engine. 84 MCP tools over Streamable HTTP.

Type: API

profiles

developer-tools

CraterView (ai.craterview/mcp MCP Server)

MCP server (ai.craterview/mcp v1.0.0): Enlarge, restore and retouch photos from your assistant, billed to your CraterView account.

Type: API

profiles

developer-tools · development

crates.io

Official Rust package registry index, database dumps and REST API for querying crates, versions, dependencies and download counts.

Access: No keyPrice: FreeType: API

HTTPS: Yes · CORS: Yes

profiles · github-public-apis

development

Crawl Readiness

Check if AI crawlers (ChatGPT, Claude, Perplexity, 30+ others) can access any website

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

development

crawlbrulee

EU-native web scraping for AI agents & developers: turn any page into markdown, screenshots and more

Access: Personal API keyType: API

HTTPS: Yes · CORS: No

github-public-apis

mcp-servers

crawlbrulee

EU-native web scraping for AI agents & developers: turn any page into markdown, screenshots and more

Access: Personal API keyType: MCP server

github-public-apis

developer-tools

Create Prints (ai.createprints/createprints MCP Server)

MCP server (ai.createprints/createprints v0.4.0): Generate AI artwork and order physical wall-art prints through conversation.

Type: API

profiles

open-source-projects

Creative Commons Catalog

Search among openly licensed and public domain works

Access: OAuthType: API

HTTPS: Yes · CORS: Yes

github-public-apis

developer-tools

CreativeScope — Mobile Game Ad Creative Intelligence (ai.creativescope/creative-intelligence MCP Server)

MCP server (ai.creativescope/creative-intelligence v1.0.0): Mobile-game ad creative intelligence across SDK ad networks: search, rankings, AI hook analysis.

Type: API

profiles

developer-tools

Creator SKILL — Influencer Discovery (ai.deinai/creator-skill MCP Server)

MCP server (ai.deinai/creator-skill v1.0.2): AI influencer search on TikTok, Instagram, YouTube. Deinai MCP token required; credits per result.

Type: API

profiles

developer-tools

Creator SKILL v2 — Influencer Discovery (ai.deinai/creator-skill-v2 MCP Server)

MCP server (ai.deinai/creator-skill-v2 v0.2.0): SKILL-02 (not SKILL-01): AI influencer search on TikTok, Instagram & YouTube. sk_live_ token.

Type: API

profiles

developer-tools

CreditPolicy (ai.creditpolicy/creditpolicy MCP Server)

MCP server (ai.creditpolicy/creditpolicy v1.0.0): Search Australian lender credit policies, compare lenders and pre-vet deals, with citations.

Type: API

profiles

government

Crediwatch's Covid APIs

OpenAPI-specified web service (crediwatch.com, version 1.3.0): An API collection for Covid 19 by Crediwatch

Type: API

profiles

government

Crediwatch's Covid APIs — covid19 (crediwatch.com)

OpenAPI-specified service (crediwatch.com:covid19, version 1.3.0): An API collection for Covid 19 by Crediwatch

Type: API

profiles

books-media

CricData

CricData (Sports & Fitness): Ultimate Cricket data API - Score, Scorecard, Players data, Fantasy API

Access: Personal API keyType: API

profiles

government

Crime Brasil

Crime Brasil (Government): Brazilian public-safety data — 3M geocoded crime incidents, PRF highway accidents, DATASUS violence (CC BY 4.0)

Access: No keyType: API

profiles

business

OpenAPI-specified service (apideck.com:crm, version 9.3.0): Welcome to the CRM API. You can use this API to access all CRM API endpoints. ## Base URL The base URL for all API requests is `https://unify.apideck.com` We also provide a Mock API that can be used for testing purposes: `https://mock-api.apideck.com` ## Headers Custom headers that are expected as part of the request.

Type: API

profiles

business

CRM cards (hubapi.com)

OpenAPI-specified service (hubapi.com:crm, version v3): Allows an app to extend the CRM UI by surfacing custom cards in the sidebar of record pages. These cards are defined up-front as part of app configuration, then populated by external data fetch requests when the record page is accessed by a user.

Type: API

profiles

books-media

crob.at

crob.at (Games & Comics): Pokémon team sharing and type chart data

Access: No keyType: API

profiles

games-and-comics

Cross Universe

Cross Universe Card Data

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

books-media

Cross Universe

Cross Universe (Games & Comics): Cross Universe Card Data

Access: No keyType: API

profiles

business

CROssBAR Data API (ebi.ac.uk)

OpenAPI-specified web service (ebi.ac.uk, version 1.0): # About CROssBAR & data **CROssBAR**: Comprehensive Resource of Biomedical Relations with Deep Learning Applications and Knowledge Graph Representations CROssBAR is a comprehensive system that integrates large-scale biomedical data from various resources e.g UniProt, ChEMBL, Drugbank, EFO, HPO, InterPro & PubChem and s

Type: API

profiles

developer-tools

Crossbrowsertesting.com Screenshot Comparisons API

OpenAPI-specified web service (crossbrowsertesting.com, version 3.0.0): What's in this version: 1. Compare two screenshots for layout differences 2. Compare a full screenshot test of browsers to a single baseline browser for layout differences. 3. Compare a screenshot test version to another test version - good for regression tests. 4. Get links to the Comparison UI for visual representati

Type: API

profiles

books

Crossref Metadata Search

Books & Articles Metadata

Access: No keyType: API

HTTPS: Yes

github-public-apis

science

Crossref REST API

DOI-related publication metadata with filters for bibliographic queries.

Access: No keyPrice: Free tier + paidType: API

profiles

developer-tools

CrowdOS (ai.crowdos/mcp MCP Server)

MCP server (ai.crowdos/mcp v1.0.0): Agents run synthetic focus groups over MCP against census panels that disagree.

Type: API

profiles

developer-tools

CrowdSorcerer

CrowdSorcerer (Machine Learning): Web research, entity enrichment, document parsing, code execution, LLM generation, PII detection

Access: Personal API keyType: API

profiles

security

crt.sh Certificate Transparency Search

Search public Certificate Transparency (CT) logs by domain name, identity or certificate fingerprint with JSON and RSS output.

Access: No keyPrice: FreeType: API

profiles

developer-tools

Crub (ai.crub/mcp MCP Server)

MCP server (ai.crub/mcp v1.0.0): Identify plants, mushrooms and insects, and keep your garden’s records and jobs, from your AI.

Type: API

profiles

transportation

Cruise Itinerary

Cruise sailings, day-by-day itineraries, weekly fare history, port traffic and a cruise price index

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

transportation

CruiseFeed

Normalized cruise line inventory: ships, sailings, itineraries, ports and lead-in fares

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

business

Crustdata

People and company data covering profiles, headcount, funding and contacts

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

security

CRXcavator

Chrome extension risk scoring

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

cryptocurrency

CryptAPI

Cryptocurrency Payment Processor

Access: No keyType: API

HTTPS: Yes

github-public-apis

cryptocurrency

CryptingUp

Cryptocurrency data

Access: No keyType: API

HTTPS: Yes

github-public-apis

business

Crypto Fear & Greed Index (qiaobax)

Crypto Fear & Greed Index (qiaobax) (Cryptocurrency): Live crypto market sentiment index (0-100) computed hourly from momentum, trend, volatility and volume

Access: No keyType: API

profiles

cryptocurrency

Crypto Vision

Free crypto news aggregator with market context, JSON REST and RSS

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

cryptocurrency

CryptoCompare

Cryptocurrencies Comparison

Access: No keyType: API

HTTPS: Yes

github-public-apis

cryptocurrency

CryptoMarket

Cryptocurrencies Trading platform

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

cryptocurrency

Cryptonator

Cryptocurrencies Exchange Rates

Access: No keyType: API

HTTPS: Yes

github-public-apis

security

CSR.plus

Generate certificate signing requests and private keys without OpenSSL

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

transportation

CTS

CTS Realtime API

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

developer-tools

ctxstore — memory that follows you across models (ai.ctxstore/ctxstore-mcp MCP Server)

MCP server (ai.ctxstore/ctxstore-mcp v1.1.2): Persistent memory for AI agents: keyed facts, a wake bundle each session, one memory in every model.

Type: API

profiles

government

Cubes digital building applications archive (EU Open Data · Belgium)

European open dataset/API (Belgium): The DBA Cubes dataset contains observations (i.e. statistics, surveys) on the global DBA dataset. These observations are the result of (SPARQL) surveys.

Access: No keyPrice: FreeType: API

profiles

developer-tools

CueAPI

CueAPI (Development): Execution accountability API for AI agents with scheduling, verification, and outcome confirmation

Access: Personal API keyType: API

profiles

government

Cultural sites (EU Open Data · Germany)

European open dataset/API (Germany): The dataset contains geodata in shape and GeoJSON format for the cultural locations in Essen. The shape files are available in the ETRS89 (EPSG 4647) system, the GeoJSON file in the WGS84 (EPSG 4326) system. Source: FB 41 - Department of Culture / FB 62 - Department of Geoinformation, Surveying and Cadastre

Access: No keyPrice: FreeType: API

profiles

government

Cultural sites of the City of Turku (EU Open Data · Finland)

European open dataset/API (Finland): Various cultural sites of the City of Turku, such as public works of art located outside the museum centre. Updated on 19 September 2013. Original material MapInfo TAB, GK23, 1:10 000, also geojson

Access: No keyPrice: FreeType: API

profiles

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